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Finding the Fourth Proportional to 132,624, 183,021.12 and 76,054.08

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Solution

The fourth proportional to 132,624, 183,021.12 and 76,054.08 is: 104,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,624 : 183,021.12 = 76,054.08 : x
  2. Step 2: Convert to fraction form
    132,624/183,021.12 = 76,054.08/x
  3. Step 3: Cross multiply
    132,624x = 183,021.12 × 76,054.08
  4. Step 4: Simplify right side
    132,624x = 13,919,502,902.17
  5. Step 5: Solve for x
    x = 13,919,502,902.17/132,624
  6. Step 6: Final answer
    x = 104,954.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.